Process of making metal phosphates



Patented'Feb. 8, v I v 7 ,7

FFICE.

* UNlT-ED HENRY .BLUMENBEBG, JR, or LOS ANGELES, CALIFORNIA, nssieixon T0 STOCK- HOLDERS SYNDICATE, or LOS enemas, CALIFORNIA, A CORPORATION on CALI- FORNIA. V

PROCESS OF MAKING METAL PHOSPHATES.

No Drawing. Application filed May 8, 192-5. Serial No. 29,647.

My invention relates to a process of makmetal oxide which will decompose ammoing metal phosphates, and in particular, a nium di-hydrogen phosphate may be used,

lead phosphate, and has for its object a resulting in the corresponding metal phossimple eflicient and economic process to phate. I

c produce metal phosphates by the reaction The oxide of any metal which is more of a metal oxide and ammonium di-hydroelectro-positive than lead is suitable for my gen phosphate. process, for such metal oxides will decomjMy invention consists in the steps of the poseammonium di-hydrogen phosphate. process hereinafter described and claimed. Various changes maybe made in the steps 30 30 I take litharge, PhD, and mix the same of the process by those skilled in the art with ammonium di-hydrogen phosphate. without departing from the spirit of my-in- The mixture is then heated until all the am- Vention, as claimed. monia and steam formed by the reaction I claim: a is driven oil, leaving as the end product, A process of making lead phosphate, com- 35 15 lead phosphate, in accordance with the folprising mixing litharge and'ammonium dilowing equation: 7 hydrogen phosphate and heating the mixture to, drive ofl the ammonia and water 3PbO+2 (NI-IQILPO formed, whereby lead phosphate is produced.

'Pb $1 0 -{2 NI-I,,-}3I'I O In testimony whereof I have signed my 40 j 20 name to this specification. I

I In place of lead oxide, zinc or any other HENRY BLUMENBERG, JR. 

